21131767 is an odd 8-digits composite number following 21131766
and preceding 21131768 . In scientific notation, it is written as 2.1131767 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 21053520 positive integers (up to 21131767) that are relatively prime to 21131767.
21131767 has 4 divisors, whose sum is 21210016
The reverse of 21131767 is 76713112
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million one hundred thirty-one thousand seven hundred sixty-seven
Scientific notation
2.1131767 × 10^7
Engineering notation
2.1131767 × 10^6
Prime Factorization
271 × 77977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21131767
Product of the distinct prime numbers
The prime factorization of 21131767 is 271 × 77977.
Since it has a total of 2 prime factors.
2 , 4 , 54 , 93 , 298 , 984 , 843 , 5075 , 99713 , 63034 , 357751 , 762713 , 5660225 , 4357032 , 84031027 , 55784618 , 244025767 , 114635401 , 1086870716 , 2369007882
n×2
42263534
n×3
63395301
n×4
84527068
n×5
105658835
n÷2
10565883.5
n÷3
7043922.3333333
n÷3
5282941.75
n÷5
4226353.4
n2
446551576542289
n3
9.4364238689743E+21
n4
1.994083105124E+29
n5
4.2138499556118E+36
2 √n
4596.9301713209
3 √n
276.4682548654
4 √n
67.800664976981
5 √n
29.173407791042
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21131766
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21131767 can be divided by 4 positive divisors.
The sum of these divisors (counting 21131767) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000100111000111110111
3
Ternary
1110202121100001
4
Quaternary
1100213013313
5
Quinary
20402204032
6
Senary
2032532131
8
Octal
120470767
10
Decimal
21131767
12
Duodecimal
70b1047
16
Hexadecimal
14271f7
20
Vigesimal
6c1987
36
Base36
ckxdj
md5
78298e2f9ee195c66fafaa71b5dbf7f5
sha1
c1cf7e8acf8e879ba231b882d87e82838106e346
sha256
14fe73408b1ec50ce1cbb900e8e564493b3540bcdfa326a37d8d696c9a208d13
sha512
251f7c0144faf0f051c3d506f0c18dfe68127fb492bfba59fb1320c50defb5b5a8ae141e1cb797af821c40e7cf24c95cfce7e8d992557a360f9facd5a9e0469e
ripemd-160
f647dd8ed7219f3a6f602e6dc80b2c5219f9e8a0
Diameter
42263534
Circumference
132774807.92914
Area
1.4028831523142E+15
Volume
3.9527199870572E+22
Surface area
5.6115326092568E+15
Circumference
132774807.92914
Perimeter
84527068
Area
446551576542289
Diagonal
29884831.488308
Surface area
2679309459253734
Volume
9.4364238689743E+21
Space diagonal
36601294.097707
Perimeter
63395301
Area
1.9336250469281E+14
Altitude
18300647.048854
Surface area
1.9336250469281E+14
Volume
1.1120932179837E+21
Height
9961610.4961027